Greenheck DG / DGX with Direct Spark (464043 IOM) (Pre-2008) - Manual (Page 28)

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Step 8 Enter Program Mode
Press and hold the Enter Key for three seconds. The
display will read “Pro” when Program Mode is active.
Step 9 Adjust the Freeze Temperature
While in Program Mode, use the Up and Down Keys to
navigate through the Menu Options until “Frt” is
displayed. Press the Enter Key to access the selected
Menu Option setting.
Use the Up and Down Keys to adjust the Freeze
Temperature setting as needed. Press the Enter Key to
set the Freeze Temperature and return to the Program Menu.
Step 10 Exit Program Mode
After ten seconds of idle time the controller will exit Program Mode.
Step 7 Exit Program Mode
After ten seconds of idle time the controller will exit Program Mode.
NOTE!
The Freeze Temperature is the temperature at which the supply solenoid closes and the drain
solenoid opens to drain the supply line, preventing possible freeze damage. A drain solenoid is
required for this option.
NOTE!
The Freeze Temperature is preset to the factory recommended 41ºF. Steps 8-10 should only be
completed if the Freeze Temperature needs adjustment.
Step 6 Adjust the Minimum Cooling
Temperature
While in the Program Menu, use the Up and Down
Keys to navigate the Menu Options until “toF” is
displayed. Press the Enter Key to access the selected
Menu Option setting.
Use the Up and Down Keys to adjust the Minimum
Cooling Temperature as needed. Press the Enter Key
to save the Minimum Cooling Temperature setting and return
to the Program Menu.
IMPORTANT!
The Enter Key must be pressed to save the new Freeze Temperature .
IMPORTANT!
The Enter Key must be pressed to save
the new Minimum Cooling Temperature.
Start-Up - Water Wizard (Optional)
Minimum Cooling Temperature Display
Program Display
Freeze Temperature Display
Start-Up